JPH0836642A - イメージ符号化システム及びその前処理フィルター装置 - Google Patents

イメージ符号化システム及びその前処理フィルター装置

Info

Publication number
JPH0836642A
JPH0836642A JP6334104A JP33410494A JPH0836642A JP H0836642 A JPH0836642 A JP H0836642A JP 6334104 A JP6334104 A JP 6334104A JP 33410494 A JP33410494 A JP 33410494A JP H0836642 A JPH0836642 A JP H0836642A
Authority
JP
Japan
Prior art keywords
digital video
video signal
frame
current frame
deviation
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
JP6334104A
Other languages
English (en)
Japanese (ja)
Inventor
Jong-Hoon Kim
種勲 金
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
WiniaDaewoo Co Ltd
Original Assignee
Daewoo Electronics Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Daewoo Electronics Co Ltd filed Critical Daewoo Electronics Co Ltd
Publication of JPH0836642A publication Critical patent/JPH0836642A/ja
Pending legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T5/00—Image enhancement or restoration
    • G06T5/50—Image enhancement or restoration using two or more images, e.g. averaging or subtraction
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T5/00—Image enhancement or restoration
    • G06T5/20—Image enhancement or restoration using local operators
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T5/00—Image enhancement or restoration
    • G06T5/70—Denoising; Smoothing
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/80—Details of filtering operations specially adapted for video compression, e.g. for pixel interpolation
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T2207/00—Indexing scheme for image analysis or image enhancement
    • G06T2207/10—Image acquisition modality
    • G06T2207/10016—Video; Image sequence
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T2207/00—Indexing scheme for image analysis or image enhancement
    • G06T2207/20—Special algorithmic details
    • G06T2207/20004—Adaptive image processing
    • G06T2207/20008—Globally adaptive

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
  • Image Processing (AREA)
  • Compression Of Band Width Or Redundancy In Fax (AREA)
JP6334104A 1993-12-16 1994-12-16 イメージ符号化システム及びその前処理フィルター装置 Pending JPH0836642A (ja)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR0993P27996 1993-12-16
KR1019930027996A KR0134325B1 (ko) 1993-12-16 1993-12-16 영상 데이타 전처리 필터

Publications (1)

Publication Number Publication Date
JPH0836642A true JPH0836642A (ja) 1996-02-06

Family

ID=19371225

Family Applications (1)

Application Number Title Priority Date Filing Date
JP6334104A Pending JPH0836642A (ja) 1993-12-16 1994-12-16 イメージ符号化システム及びその前処理フィルター装置

Country Status (5)

Country Link
US (1) US5491519A (fr)
EP (1) EP0659020A3 (fr)
JP (1) JPH0836642A (fr)
KR (1) KR0134325B1 (fr)
CN (1) CN1112769A (fr)

Families Citing this family (24)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5734419A (en) * 1994-10-21 1998-03-31 Lucent Technologies Inc. Method of encoder control
US5764307A (en) * 1995-07-24 1998-06-09 Motorola, Inc. Method and apparatus for spatially adaptive filtering for video encoding
US6064450A (en) * 1995-12-06 2000-05-16 Thomson Licensing S.A. Digital video preprocessor horizontal and vertical filters
EP0778707B1 (fr) * 1995-12-06 2002-06-19 THOMSON multimedia Dispositif de prétraitement d'un flux de données vidéo numérique
US6101276A (en) * 1996-06-21 2000-08-08 Compaq Computer Corporation Method and apparatus for performing two pass quality video compression through pipelining and buffer management
US6026217A (en) * 1996-06-21 2000-02-15 Digital Equipment Corporation Method and apparatus for eliminating the transpose buffer during a decomposed forward or inverse 2-dimensional discrete cosine transform through operand decomposition storage and retrieval
SE511733C2 (sv) * 1997-04-04 1999-11-15 Limt Technology Ab Förfarande och anordning för brusreducering
US5959693A (en) * 1997-05-07 1999-09-28 General Instrument Corporation Pixel adaptive noise reduction filter for digital video
US6535254B1 (en) 1997-10-31 2003-03-18 Pinnacle Systems Inc. Method and device for noise reduction
WO1999045713A1 (fr) 1998-03-05 1999-09-10 Matsushita Electric Industrial Co., Ltd. Procede de codage d'images, procede de codage / decodage d'images, codeur d'images ou appareil d'enregistrement / reproduction d'images
IL134182A (en) * 2000-01-23 2006-08-01 Vls Com Ltd Method and apparatus for visual lossless pre-processing
US6753929B1 (en) * 2000-06-28 2004-06-22 Vls Com Ltd. Method and system for real time motion picture segmentation and superposition
US6744818B2 (en) 2000-12-27 2004-06-01 Vls Com Ltd. Method and apparatus for visual perception encoding
US20040131117A1 (en) * 2003-01-07 2004-07-08 Sheraizin Vitaly S. Method and apparatus for improving MPEG picture compression
US7903902B2 (en) 2004-07-26 2011-03-08 Sheraizin Semion M Adaptive image improvement
US7639892B2 (en) * 2004-07-26 2009-12-29 Sheraizin Semion M Adaptive image improvement
US7526142B2 (en) * 2005-02-22 2009-04-28 Sheraizin Vitaly S Enhancement of decompressed video
JP4885690B2 (ja) * 2006-11-28 2012-02-29 株式会社エヌ・ティ・ティ・ドコモ 画像調整量決定装置、画像調整量決定方法、画像調整量決定プログラムおよび画像処理装置
US20110097010A1 (en) * 2006-12-13 2011-04-28 Jian Wang Method and system for reducing noise in images in video coding
US7952646B2 (en) * 2006-12-27 2011-05-31 Intel Corporation Method and apparatus for content adaptive spatial-temporal motion adaptive noise reduction
CN103686181B (zh) * 2013-12-13 2017-01-18 北京东方正龙数字技术有限公司 一种屏幕显示信息的编码方法和编码系统
KR102649600B1 (ko) * 2020-01-17 2024-03-22 삼성디스플레이 주식회사 클럭 생성기 및 이를 포함하는 표시 장치
US12106451B2 (en) * 2021-01-22 2024-10-01 Cvitek Co. Ltd. Block-based noise reduction intensity determination method and device
US12010332B2 (en) 2022-07-08 2024-06-11 Synaptics Incorporated Video compression based on spatial-temporal features

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4754322A (en) * 1985-09-30 1988-06-28 Hitachi, Ltd. YC-signal separation circuit responsive to magnitude of vertical correlation
JPS63114486A (ja) * 1986-10-31 1988-05-19 Alps Electric Co Ltd 映像信号のパルス性雑音判別回路
JPH07101924B2 (ja) * 1987-10-26 1995-11-01 パイオニア株式会社 映像信号のノイズ除去装置
GB9204115D0 (en) * 1992-02-26 1992-04-08 British Broadcasting Corp Video image processing
US5309237A (en) * 1992-03-31 1994-05-03 Siemens Corporate Research, Inc. Apparatus and method of compensating image-sequences for motion

Also Published As

Publication number Publication date
KR0134325B1 (ko) 1998-04-23
EP0659020A3 (fr) 1996-02-07
EP0659020A2 (fr) 1995-06-21
CN1112769A (zh) 1995-11-29
US5491519A (en) 1996-02-13

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